|
|
|
| Optimal Control of a High Speed Switched Reluctance Starter/Generator for the More/All Electric Aircraft |
| Song Shoujun1, 2, Liu Weiguo1, Uwe Schaefer2 |
| 1. Northwestern Polytechnical University 710072 Xi’an China 2. Technical University of Berlin 10587 Berlin Germany |
|
|
|
|
Abstract The application background of the switched reluctance starter/generator (SR S/G) system is briefly introduced. The performance requirements of the system are presented, and then the structure and dimensions of an undergoing 30kW switched reluctance machine (SRM) are described. Based on these works, the optimal control strategies of the SRM are studied: on the starting stage of the engine, the switched reluctance machine operates as a motor, the maximization of its average torque is chosen as an optimization objective. Analytic, numerical and floating angle methods of choosing optimal exciting angles are considered respectively and compared with each other in detail. On the generating stage, the switched reluctance machine operates as a generator, the maximization of its efficiency under certain output power rating is chosen as an optimization objective, and the optimal exciting angles to minimize the main losses are obtained.
|
|
Received: 18 November 2008
Published: 04 March 2014
|
|
|
| About author:: Song Shoujun male, born in 1981, PhD student. His currently research interests include switched reluctance machine, starter/generator system used in airplane and car, motor design and optimal control, non-linear modeling and simulation, thermal analysis of the electrical system.Liu Weiguo male, born in 1960, professor PhD supervisor. His research interests include motion control, electrical servo-control, motor control technology research and application. |
|
|
|
[1] Jones R I. The more electric aircraft: the past and the future?[C]. In: Proc. IEE Colloquium on Electrical Machines and Systems for the More Electric Aircraft, 1999: 1-4.
[2] Weimer J A. The role of electric machines and drives in the more electric aircraft[C]. In: Proc IEEE International Electric Machines and Drives Conference, 2003: 11-15.
[3] Ferreira C A, Jones S R, Heglund W S, et al, Detailed design of a 30kW switched reluctance starter/ generator system for a gas turbine engine application[J]. IEEE Trans. on Ind. Appl., 1995, 31(3): 553-561.
[4] Schofield N, Long S. Generator operation of a switched reluctance starter/generator at extended speeds[C]. In: Proc. IEEE Conference on Vehicle Power and Propulsion, 2005: 453-460.
[5] Mademlis C, Kioskeridis I. Performance optimization in switched reluctance motor drives with online commutation angle control[J]. IEEE Trans. on Energy Convers., 2003, 18(3): 448-457.
[6] Kioskeridis I, Mademlis C. Optimizing performance in current-controlled switched reluctance generators[J]. IEEE Trans. on Energy Convers., 2005, 20(3): 556-565.
[7] Gribble J J, Kjaer P C, Miller T J E. Optimal commutation in average torque control of switched reluctance motors[J]. IEE Proceedings Electric Power Applications, 1999, 146(1): 2-10.
[8] Kjaer P C, Nielsen P, Andersen L, et al. A new energy optimizing control strategy for switched reluctance motors[J]. IEEE Trans. on Ind. Appl., 1995, 31(5): 1088-1095.
[9] Torrey D A. Switched reluctance generators and their control[J]. IEEE Trans. on Ind. Electron., 2002, 49(1): 3-14.
[10] Sozer Y, Torrey D A. Closed loop control of excitation parameters for high speed switched- reluctance generators[J]. IEEE Trans. on Power Electron., 2004, 19(2): 355-362.
[11] Kioskeridis I, Mademlis C. Optimal efficiency control of switched reluctance generators[J]. IEEE Trans. on Power Electron., 2006, 21(4): 1062-1072.
[12] Miller T J E. Switched reluctance motors and their control[M]. Oxford: Clarendon Press, 1993.
[13] Miller T J E. SPEED’s PC-SRD Version8.7 User’s Manual. SPEED Laboratory, University of Glasgow, 2007.
[14] Zhu Xuezhong, Liu Chuang, Liu Diji. Angle position control of switched reluctance gener- ator[J]. Journal of Nanjing University of Aeronautics & Astronautics, 2001, 33(1): 64-67.
|
|
|
|
2010, Vol. 25 
